obviously the heat is the big story, yesterday oppressive heat across the country, that has now arrived on the east coast. you will feel it this morning in the humidity levels that are much higher than yesterday. we have heat warnings in orange that spread from tulsa, chicago, pittsburgh, all of ohio and right up the busy i-95 corridor. this is the amount of moisture in the air, and that dew point is high. the heat index today going to be ridiculous. we had a chance for some near record highs. as advertised, two days in a row, it gets better by sunday. >> this is just impressive heat. it's not pleasant but it's impressive as you look at it from a distance. >>> time now for a little bit of sports and we begin with tiger woods firing his long-time caddie steve williams. this move ending a 12-year relationship where tiger won 72 times worldwide, 13 majors on his website lt gray said i want to express my deepest gratitude but i think it's time for a change. basically you can walk. woods did not say he would -- who he would replace williams with or when he would return to golf. we said it on